Test Products International 293 - Manual (Page 13)

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1. Controls and Functions (cont.):
Rotary Switch
OFF Turns the 293 completely off.
V Used to measure AC and DC volts.
Ω Ω Used to measure resistance and
use the continuity buzzer.
Used to measure diodes.
FRQ Used to measure the frequency of
the current through the jaws.
A Used to measure AC amps.
OFF Turns the 293 completely off.
Input Jacks
COM Black test lead connection for
ACV, DCV,
Ω, Continuity Buzzer
and Diode Test functions.
V/ Ω Ω Red test lead connection for all
ACV, DCV,
Ω, Continuity Buzzer
and Diode Test functions.
D. MEASUREMENT TECHNIQUES
1. Controls and Functions:
Push Buttons
TRIM Activates TRIM, PEAK and HDR
functions (Except on Frequency
Range).
FUNC Toggles between AC and DC volts,
amps and
Ω or functions.
RNG Activates manual ranging. Hold in
for 2 seconds to return to
autorange.
HOLD Holds the reading on the display
until the button is pushed a
second time.